What to do when iPhoto and Photos take up too much storage space on a Mac

On the same drive, macOS and Photos conserves space. When you copy the library, it expands.

iphoto photos mac icons
Apple

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Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.